EP3996958A1 - Verfahren zum betreiben eines scheibenwaschsystems - Google Patents
Verfahren zum betreiben eines scheibenwaschsystemsInfo
- Publication number
- EP3996958A1 EP3996958A1 EP20739967.6A EP20739967A EP3996958A1 EP 3996958 A1 EP3996958 A1 EP 3996958A1 EP 20739967 A EP20739967 A EP 20739967A EP 3996958 A1 EP3996958 A1 EP 3996958A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- movement
- wiper arm
- wiping
- turning position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
- B60S1/482—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means combined with the operation of windscreen wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
- B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
Definitions
- the present invention relates to a method for operating a windshield washer system.
- the invention also relates to a computer program.
- Windshield washer systems for vehicles known in which the nozzle is mounted on the wiper arm.
- WO 2014/198892 A1 discloses a method for washing a window of a vehicle.
- the object is achieved in particular by a method for operating a
- Windshield washing system in particular a windshield washing system, of a vehicle. It is provided that the following steps are carried out, preferably one after the other in the order specified or in any order, whereby some of the steps can also be carried out repeatedly:
- Detergent in particular a washing water and / or a cleaning liquid, during the upward movement of at least one nozzle of the wiper arm
- the detergent dispensing is initiated already during the downward movement in order to apply the detergent to the window before the lower turning position is reached (by the wiper arm during the same downward movement). In other words, the detergent dispensing is initiated upstream of the upward movement during the
- Applied detergent can be wiped directly through the wiper arm.
- This has the advantage that sufficient moistening of the window with detergent is ensured in the lower area at the lower turning position.
- a wiper blade of the wiper arm can be used for wiping, and when dispensing the detergent can be sprayed through the nozzle in front of the wiper blade. In this way, the lower pane area as clean as possible can be obtained, and at the same time the impairment of visibility caused by the detergent can be reduced.
- the wiping movement (also wiping stroke) can have at least or exactly two movement phases: the upward movement (upward stroke) and the downward movement (downward stroke).
- a back and forth movement of the windshield wipers i.e. a. the wiper arm provided.
- the wiper arm moves back and forth between the turning positions and turns accordingly in the turning positions (i.e. it changes direction from the upward to the downward movement and vice versa).
- the information can also have the following reference: - A starting position (parking position) of the wiper arm, which can correspond to the lower turning position,
- the vehicle is designed as a motor vehicle, in particular trackless land vehicle, for example as a hybrid vehicle that comprises an internal combustion engine and an electric machine for traction or is designed as an electric vehicle,
- the vehicle can be designed as a fuel cell vehicle and / or passenger vehicle.
- electric vehicles there is preferably no internal combustion engine in the vehicle; it is then driven exclusively by electrical energy.
- the upward movement can be used to wipe the detergent, and the downward movement can largely manage without dispensing detergent.
- This achieves the advantage that the impairment of vision due to the detergent applied to the windshield can be considerably reduced and / or the detergent consumption can be reduced.
- the upstream application of the detergent means that detergent is available for wiping on the window at the beginning of the upward movement. An upstream start of injection is therefore already possible in the downward stroke.
- At least one nozzle is designed for one-sided dispensing of the detergent on the wiper arm, the detergent preferably being dispensed from the nozzle in the direction of the upward movement in order to advance the detergent in relation to the upward movement to apply a wiper blade of the wiper arm to the window. This means that the window can be cleaned during the upward movement, and in particular immediately at the start of the upward movement.
- Window cleaning is thus advantageously carried out according to a wet arm washing function.
- the detergent dispensing for the downward movement is deactivated before or when the upper turning position is reached, and remains predominantly deactivated during the downward movement, and detergent is only dispensed again before the lower turning position is reached, so that this washing agent is not dispensed until the next
- a duration of the respective (repetitive) wiping movement is measured, or such a measurement is initiated, and the detergent dispensing is preferably initiated (in particular triggered) as a function of the measured duration, to dispense the detergent when a predetermined position of the wiper arm (on the window) is present (reached) during the wiping movement.
- Washer system is designed such that not all relevant positions of the
- Wiper arms can be determined directly. For example, when using a rotary motor, only a parking position or a lower turning position can be determined as the position. Nevertheless, it can be useful to recognize that the wiper arm has reached the position at which the wiper arm is located shortly before the lower turning position.
- the detergent dispensing for example, should be initiated at this position.
- the duration of a complete and completed wiping movement can be used. Since the wiping movement is known in advance due to the construction of the windshield washer system, the approximate position of the wiper arm can be estimated based on the current running time on the basis of this time period, the running time being the current time duration of the non-completed
- Wiping movement from the start of measurement and / or leaving the lower turning position It is also conceivable that at least one of the
- a period of time for the subsequent wiping movement is extrapolated in order to initiate the detergent dispensing on the basis of the extrapolated period of time during the subsequent wiping movement.
- the measured period of time can also be assumed unchanged as the extrapolated period of time which the subsequent wiping movement will also require.
- the measured duration of the complete wiping movement (that is to say a cycle duration) can also be converted into an angular velocity. On the basis of this angular velocity, the time can then be calculated after which the initiation of the detergent dispensing must take place (and thus a certain pre-storage angle is generated). Should the lower turning position be reached before initiating the
- Initiating the detergent dispensing can, for. B. be done in that a washer pump of the windscreen washer system is controlled. In this way, detergent can be conveyed to the nozzles of the wiper arms.
- an average duration is determined in order to initiate the in the subsequent wiping movement
- the invention can provide that, in order to measure the duration, reaching a single turning position of the turning positions is determined as the only position of the wiper arm during the wiping movement, in order to preferably assign the time duration as the duration between a first reaching of this turning position and a subsequent reaching of this turning position determine. This enables the position for initiating the Determine detergent dispensing even if further information about the position of the wiper arm and / or the duration of the complete wiping movement is missing.
- the wiper arm is driven by a rotary motor to carry out the wiping movement.
- the rotary motor can be designed as a rotating electric motor with only one direction of rotation.
- a gear such as a lever gear can connect the rotary motor to the wiper arm.
- the transmission can, for. B. convert the rotary motion of the rotary motor into the upward and downward motion using kinematics. If the lever arms of the gearbox are also of different lengths, a different tip position at the reversal point (i.e. the
- the invention also relates to a computer program, in particular
- Computer program product It is provided here that the computer program includes commands which, when the computer program is executed by a computer, cause the computer to carry out the steps of a method according to the invention.
- the computer program according to the invention thus has the same advantages as have been described in detail with reference to a method according to the invention.
- a windshield washer system which is suitable for carrying out a method according to the invention, preferably by carrying out one, is also protected
- Figure 1 is a schematic representation of a windscreen washer system
- FIG. 2 a schematic representation of at least one wiping cycle
- FIG. 3 shows a schematic representation for visualizing a method according to the invention.
- a windshield washer system 10 is shown schematically, which can be designed to clean a windshield 2 of a vehicle 1 shown in FIG.
- two wiper arms 21, 22 can be arranged on the window 2, in particular the windshield.
- the wiper arms can be controlled via at least one wiper motor 30, preferably a rotary motor or reversing motor, in order to carry out a wiping movement over the windshield.
- at least one wiper motor 30 is shown in FIG.
- at least one wiper blade 23 and at least one nozzle 25 of the respective wiper arm 21, 22 are shown.
- the washing agent 26 can be applied directly to the windshield 2 by the wiper arm 21.
- the wiper arms 21, 22 can have at least one nozzle 25, specifically spray nozzles, which can receive the detergent 26 (also referred to as wiper water) by means of a feed line not shown in detail. These nozzles can lie on one side of the wiper arms which faces the upper turning position OWL (see FIG. 2).
- the detergent comprises e.g. B. a windshield cleaning fluid and / or washing water.
- the windshield washer system 10 can be controlled in such a way that the washing agent 26 flows through during the upward movement 201 of the wiper arms 21, 22
- Exemplary washing cycles 221, 222, 223, 224 are shown in FIG.
- a first washing cycle 221 the cleaning of the window 2 can take place for a certain duration, the upward movement 201 of the wiper arms 21, 22 from the lower turning position UWL to the upper turning position OWL being indicated by an arrow.
- the detergent 26, which is applied to aid cleaning.
- the detergent 26 can increasingly be dispensed at this point.
- a third washing cycle 223, the upstream dispensing of the detergent 26 is visualized before the lower wiping position UWL is reached.
- the downward movement 202 is also indicated by an arrow.
- a fourth washing cycle 224 the window 2 can then be cleaned by the upward movement 201.
- At least one nozzle 25 for one-sided dispensing of the detergent 26 can be formed on the wiper arm 21, the detergent 26 being dispensed from the nozzle 25 in the direction of the upward movement 201 to dispense the detergent 26 in relation to the upward movement 201 to be applied to the windshield 2 in front of a wiper blade 23 of the wiper arm 21.
- FIG. 3 shows a method 100 according to the invention for operating a
- Windshield washer system 10 of a vehicle 1 visualized with further details.
- a wiping movement of at least one wiper arm 21 is initially initiated on a window 2 of the vehicle 1, with the
- Wiping movement of the wiper arm 21 is an upward movement 201 from a lower turning position UWL into an upper turning position OWL and a downward movement 202 from the upper one
- Turning position OWL executes in the lower turning position UWL. It shows a
- Position signal 230 which signals the reaching of the lower turning position UWL and / or a parking position (or alternatively also the upper turning position OWL). It may be possible that only this information is available in a windshield washer system 10 in order to control the output of the detergent 26.
- To measure the duration 210 reaching a single one of the turning positions UWL, OWL as the only position of the wiper arm 21 during the wiping movement can be determined, around the time 210 as the duration between reaching this turning position UWL, OWL and a subsequent reaching it
- a detergent dispensing for the respective wiping movement is initiated in order to dispense the detergent 26 from at least one nozzle 25 of the wiper arm 21 during the upward movement 201.
- the detergent dispensing is initiated already during the downward movement 202 in order to apply the detergent 26 to the pane 2 before it reaches the lower turning position UWL.
- a duration 210 of the respective wiping movement is measured, and the initiation of the detergent dispensing is carried out temporally as a function of the measured duration 210 in order to dispense the detergent 26 when the wiper arm 21 is in a predetermined position during the wiping movement. This position is located in particular in front of the position which is signaled by the position signal 230. Based on the measured duration 210 at least one of the wiping movements can, for. B. a time period 210 'for the subsequent wiping movement can be extrapolated in order to initiate the detergent dispensing with the aid of the subsequent wiping movement
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019118724.9A DE102019118724A1 (de) | 2019-07-10 | 2019-07-10 | Verfahren zum Betreiben eines Scheibenwaschsystems |
| PCT/EP2020/069593 WO2021005218A1 (de) | 2019-07-10 | 2020-07-10 | Verfahren zum betreiben eines scheibenwaschsystems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3996958A1 true EP3996958A1 (de) | 2022-05-18 |
| EP3996958B1 EP3996958B1 (de) | 2025-04-16 |
Family
ID=71607988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20739967.6A Active EP3996958B1 (de) | 2019-07-10 | 2020-07-10 | Verfahren zum betreiben eines scheibenwaschsystems |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3996958B1 (de) |
| CN (1) | CN114144341B (de) |
| DE (1) | DE102019118724A1 (de) |
| WO (1) | WO2021005218A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022105303A1 (de) * | 2022-03-07 | 2023-09-07 | Webasto SE | Reinigungseinrichtung, Dachmodul und Verfahren zum Reinigen eines Durchsichtsbereiches eines Kraftfahrzeugs |
| CN116788211A (zh) * | 2023-06-27 | 2023-09-22 | 上汽通用汽车有限公司 | 车顶激光雷达清洗方法、装置、设备、系统及存储介质 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1493597A (en) * | 1975-05-02 | 1977-11-30 | Lesanko Ltd | Wiping and washing installations for vehicles |
| DE4116099B4 (de) * | 1991-05-17 | 2005-12-15 | Itt Automotive Europe Gmbh | Wisch- und Waschanlage, insbesondere für Scheiben an Kraftfahrzeugen |
| DE4117795C2 (de) * | 1991-05-30 | 1995-08-24 | Martin Maubach | Wasch-Vorrichtung zur Scheibenreinigung, z. B. an Fahrzeugen |
| JP3152622B2 (ja) * | 1995-09-19 | 2001-04-03 | 光雄 藤井 | ワイパー洗浄方法及び装置 |
| DE10236886B4 (de) * | 2002-08-12 | 2016-08-18 | Valeo Auto-Electric Wischer Und Motoren Gmbh | Steuerung einer Wischeranlage eines Kraftfahrzeugs sowie Wischeranlage eines Kraftfahrzeugs |
| FR2903640B1 (fr) * | 2006-07-13 | 2009-02-20 | Renault Sas | Essuie-glace pour l'essuyage d'un pare-brise panoramique pourvu de surfaces laterales, systeme d'essuyage correspondant et son utilisation. |
| FR2950845B1 (fr) * | 2009-10-07 | 2011-11-11 | Valeo Systemes Dessuyage | Dispositif d'acheminement de liquide de nettoyage |
| DE102009059154A1 (de) * | 2009-12-19 | 2011-06-22 | Daimler AG, 70327 | Anordnung einer Wischanlage mit einer zugehörigen Scheibenwaschanlage an einem Kraftwagen |
| DE102009059118A1 (de) * | 2009-12-19 | 2011-06-22 | Daimler AG, 70327 | Wischanlage und Verfahren zum Betreiben einer Wischanlage für einen Kraftwagen |
| FR2957574B1 (fr) * | 2010-03-16 | 2012-03-16 | Valeo Systemes Dessuyage | Commande d'un systeme de lave-vitre associe a un systeme d'essuyage pour vehicule automobile |
| DE102010054687A1 (de) * | 2010-12-16 | 2012-06-21 | GM Global Technology Operations LLC | Scheibenwisch- und Wascheinrichtung für Kraftfahrzeuge |
| DE102010056363A1 (de) * | 2010-12-29 | 2012-07-05 | Valeo Systèmes d'Essuyage | Steuerung einer Wischeranlage eines Kraftfahrzeugs sowie Wischeranlage eines Kraftfahrzeugs |
| DE102011115590A1 (de) * | 2011-10-11 | 2013-04-11 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Adaptives Steuerungsverfahren für Scheibenwisch- und Waschanordnungen |
| JP5598459B2 (ja) * | 2011-11-14 | 2014-10-01 | トヨタ自動車株式会社 | ワイパー制御装置 |
| FR3006968A1 (fr) * | 2013-06-14 | 2014-12-19 | Valeo Systemes Dessuyage | Procede de lavage d'une vitre d'un vehicule |
| US9937899B2 (en) * | 2013-10-28 | 2018-04-10 | Asmo Co., Ltd. | Wiper arm and vehicle wiper apparatus equipped therewith |
| KR101655565B1 (ko) * | 2014-11-07 | 2016-09-07 | 현대자동차주식회사 | 와셔노즐 일체형 와이퍼블레이드의 와셔액 분사 제어 시스템 |
| US10328905B2 (en) * | 2015-05-29 | 2019-06-25 | Valeo North America, Inc. | Wash pump control based on predicted wiper arm position using hood mounted spray nozzles |
| US10259430B2 (en) * | 2015-05-29 | 2019-04-16 | Valeo North America, Inc. | Wiper blade wash pump control based on predicted wiper arm position |
| FR3040944B1 (fr) * | 2015-09-14 | 2017-09-08 | Valeo Systemes Dessuyage | Systeme et procede d’essuyage d’une vitre de vehicule |
| JP6759795B2 (ja) * | 2016-07-20 | 2020-09-23 | 株式会社デンソー | 車両用ワイパ・ウォッシャ装置 |
| FR3068320B1 (fr) * | 2017-06-29 | 2019-08-09 | Valeo Systemes D'essuyage | Systeme d'essuyage et de lavage pilote d'une vitre de vehicule, essuie-glace, balai d'essuie-glace et procede d'equipement d'un vehicule |
| DE102017218128A1 (de) * | 2017-10-11 | 2019-04-11 | Robert Bosch Gmbh | Wischhebel, insbesondere für eine Scheibe eines Kraftfahrzeugs |
| JP7207362B2 (ja) * | 2020-05-01 | 2023-01-18 | 株式会社デンソー | 車両用ワイパ装置 |
-
2019
- 2019-07-10 DE DE102019118724.9A patent/DE102019118724A1/de not_active Withdrawn
-
2020
- 2020-07-10 EP EP20739967.6A patent/EP3996958B1/de active Active
- 2020-07-10 CN CN202080053331.5A patent/CN114144341B/zh active Active
- 2020-07-10 WO PCT/EP2020/069593 patent/WO2021005218A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021005218A1 (de) | 2021-01-14 |
| CN114144341A (zh) | 2022-03-04 |
| DE102019118724A1 (de) | 2021-01-14 |
| CN114144341B (zh) | 2024-06-11 |
| EP3996958B1 (de) | 2025-04-16 |
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